The New York City area has implemented new strict measures involving the Ebola outbreak in West Africa. Any "high-risk" travelers from Liberia, Sierra Leone or Guinea arriving in New York must undergo a mandatory quarantine for 21 days.

The strict measures were implemented the day after a doctor tested positive for Ebola at Manhattan's Bellevue Hospital. The doctor reportedly received the virus when he was helping Ebola patients in Guinea, and didn't receive symptoms until a week after his return.

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Most recently, a medical worker helping Ebola patients in West Africa arrived at Newark Liberty International Airport in New Jersey on Friday. She was quarantined upon arrival right before she claimed of having fever-like symptoms and was then transferred to the hospital, according to reports.

The medical worker, whose name is currently unknown, tested negative for the virus and showed no signs of having Ebola. However, she will remain in quarantine for the specified 21 days as a safety precaution.

The reasoning behind Ebola-effected travelers undergoing 21 days of quarantine is because experts believe it can take up to three weeks for some people to start showing the symptoms of the virus. 

First signs of the Ebola virus would be flu-like symptoms including having a high temperature, heavy vomiting and being fatigued.

The World Health Organization (WHO) has now confirmed a total of over 10,000 Ebola cases with nearly 5,000 of those cases resulting in death - equaling to a death rate of about 50 percent. Furthermore, WHO suggests that there are many more people diagnosed with Ebola that has yet to be confirmed.

According to the United Nations, trials of Ebola vaccines could begin in West African countries as early as December and hundreds of thousands of vaccine doses should be available sometime halfway through 2015. 

TagsEbola outbreak, New Jersey, 21-day quarantine, Ebola Virus